DHCP module
This commit is contained in:
Roland Gruber
parent
c5d22d949e
commit
c34304027a
|
|
@ -0,0 +1,478 @@
|
|||
<?php
|
||||
/*
|
||||
$Id$
|
||||
|
||||
This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
|
||||
Copyright (C) 2008 Thomas Manninger
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* Manages DHCP ranges for DHCP server.
|
||||
*
|
||||
* @package modules
|
||||
*
|
||||
* @author Thomas Manninger
|
||||
*/
|
||||
|
||||
/**
|
||||
* Manages DHCP ranges for DHCP server.
|
||||
*
|
||||
* @package modules
|
||||
*/
|
||||
|
||||
class range extends baseModule {
|
||||
|
||||
// subnet
|
||||
public $subnet;
|
||||
|
||||
// ranges
|
||||
public $ranges;
|
||||
|
||||
// Range -> Function attibute_processed already running?
|
||||
public $processed;
|
||||
|
||||
// Are the ranges ok???
|
||||
public $ranges_ok;
|
||||
|
||||
// For check, if IPs overlaped.
|
||||
public $overlaped;
|
||||
|
||||
public function get_metaData() {
|
||||
|
||||
$return = array();
|
||||
// manages dhcp accounts
|
||||
$return["account_types"] = array("dhcp");
|
||||
// alias name
|
||||
$return["alias"] = "Range";
|
||||
// this is a base module
|
||||
$return["is_base"] = false;
|
||||
// RDN attribute
|
||||
$return["RDN"] = array("cn" => "high");
|
||||
// LDAP filter
|
||||
$return["ldap_filter"] = array('or'=>"(objectClass=dhcpSubnet)");
|
||||
// module dependencies
|
||||
$return['dependencies'] = array('depends' => array(), 'conflicts' => array());
|
||||
// managed object classes
|
||||
$return['objectClasses'] = array();
|
||||
// managed attributes
|
||||
$return['attributes'] = array();
|
||||
// help Entries
|
||||
$return['help'] = array(
|
||||
'range_from' => array(
|
||||
"Headline" => _("Range from"),
|
||||
"Text" => _("The starting IP address of the range.")
|
||||
) , 'range_to' => array(
|
||||
"Headline" => _("Range to"),
|
||||
"Text" => _("The ending IP address of the range.")
|
||||
) , 'drop_range' => array(
|
||||
"Headline" => _("Delete range"),
|
||||
"Text" => _("Deletes an IP range.")
|
||||
) , 'add_range' => array(
|
||||
"Headline" => _("New Range"),
|
||||
"Text" => _("Adds input fields for a new IP range.")
|
||||
) );
|
||||
|
||||
// available PDF fields
|
||||
$return['PDF_fields'] = array();
|
||||
return $return;
|
||||
}
|
||||
|
||||
public function load_Messages() {
|
||||
$this->messages['range_errors'][0] = array('ERROR', _('One or more errors occured. All wrong fields are marked.'), '');
|
||||
$this->messages['add_range'][0] = array('ERROR', _('New range'), _('Adding the range failed because errors occured.'));
|
||||
$this->messages['drop_range'][0] = array('ERROR', _('Delete range'), _('It is not possible to delete all ranges.'));
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* Checked, if it's a valid range
|
||||
*
|
||||
* @param first ip
|
||||
* @param second ip
|
||||
*
|
||||
* @return true, if it's a valid Range, else false;
|
||||
**/
|
||||
|
||||
public function check_range($first_ip,$second_ip) {
|
||||
|
||||
$ex_first = explode(".", $first_ip);
|
||||
$ex_second = explode(".", $second_ip);
|
||||
|
||||
if ($ex_first[0]!=$ex_second[0])
|
||||
return false;
|
||||
|
||||
if ($ex_first[1]!=$ex_second[1])
|
||||
return false;
|
||||
|
||||
if ($ex_first[2]!=$ex_second[2])
|
||||
return false;
|
||||
|
||||
if ($ex_first[3]>$ex_second[3]) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* Check if the range and subnet are valid.
|
||||
*
|
||||
* @param IP
|
||||
* @param Subnet
|
||||
*
|
||||
* @return true if the range and subnet valid, else false!
|
||||
*
|
||||
**/
|
||||
|
||||
public function check_subnet_range($ip,$subnet) {
|
||||
|
||||
// Check if the range was valid with the subnet:
|
||||
$ex = explode(".", $ip);
|
||||
$ex_subnet = explode(".", $subnet);
|
||||
|
||||
if ($ex[0]==$ex_subnet[0] && $ex[1]==$ex_subnet[1] && $ex[2]==$ex_subnet[2]) {
|
||||
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* Checked, if Ranges are overlaped.
|
||||
*
|
||||
* @param first ip
|
||||
* @param second ip
|
||||
*
|
||||
* @return false, if overlaped, else true.
|
||||
*
|
||||
**/
|
||||
function overlaped_range($ip,$ipB) {
|
||||
$ex = explode(".", $ip);
|
||||
$exB = explode(".", $ipB);
|
||||
|
||||
if(!is_array($this->overlaped)) {
|
||||
$this->overlaped = array();
|
||||
}
|
||||
for($n=$ex[3];$n<=$exB[3];$n++) {
|
||||
if (in_array($n, $this->overlaped)) {
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->overlaped[] = $n;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* Reset the overlaped_range() function
|
||||
*
|
||||
**/
|
||||
function reset_overlaped_range() {
|
||||
$this->overlaped = array();
|
||||
}
|
||||
|
||||
/**
|
||||
* Controls if the module button the account page is visible and activated.
|
||||
*
|
||||
* @return string status ("enabled", "disabled", "hidden")
|
||||
*/
|
||||
public function getButtonStatus() {
|
||||
if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
|
||||
return "enabled";
|
||||
}
|
||||
else {
|
||||
return "hidden";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This function loads all needed LDAP attributes.
|
||||
*
|
||||
* @param array $attr list of attributes
|
||||
*/
|
||||
function load_attributes($attr) {
|
||||
parent::load_attributes($attr);
|
||||
// Load DHCP Options:
|
||||
if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
|
||||
$this->orig = $attr;
|
||||
$this->attributes = $attr;
|
||||
|
||||
|
||||
// Load DHCP Options:
|
||||
if (is_array($attr['dhcpRange'])) {
|
||||
foreach($attr['dhcpRange'] AS $id=>$value) {
|
||||
$ex = explode(" ", $value);
|
||||
|
||||
// DHCP Range ins Array laden:
|
||||
$this->ranges[$id] = array('range_start'=>$ex[0],'range_end'=>$ex[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* Adapt the Ranges with the subnet.
|
||||
*
|
||||
* @return true, if ranges were edit.
|
||||
*
|
||||
**/
|
||||
public function reload_ranges() {
|
||||
// Only run it, when ranges already exists:
|
||||
if(is_array($this->ranges)) {
|
||||
$ex_subnet = explode(".", $_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0]);
|
||||
$range_edit = false; // Range were edit?
|
||||
foreach ($this->ranges AS $id=>$arr) {
|
||||
if (!empty($this->ranges[$id]['range_start']) && !$this->check_subnet_range($this->ranges[$id]['range_start'],$_SESSION['account']->getAccountModule('dhcp_settings')->$this->attributes['cn'][0])) {
|
||||
// Range anpassen:
|
||||
$ex = explode(".", $this->ranges[$id]['range_start']);
|
||||
$tmp = $this->ranges[$id]['range_start'];
|
||||
$this->ranges[$id]['range_start'] = $ex_subnet['0'].".".$ex_subnet['1'].".".$ex_subnet['2'].".".$ex['3'];
|
||||
if($tmp!=$this->ranges[$id]['range_start'])
|
||||
$range_edit = true;
|
||||
}
|
||||
if (!empty($this->ranges[$id]['range_end']) && !$this->check_subnet_range($this->ranges[$id]['range_start'],$_SESSION['account']->getAccountModule('dhcp_settings')->$this->attributes['cn'][0])) {
|
||||
// Range anpassen:
|
||||
$ex = explode(".", $this->ranges[$id]['range_end']);
|
||||
$tmp = $this->ranges[$id]['range_end'];
|
||||
$this->ranges[$id]['range_end'] = $ex_subnet['0'].".".$ex_subnet['1'].".".$ex_subnet['2'].".".$ex['3'];
|
||||
if($tmp!=$this->ranges[$id]['range_end'])
|
||||
$range_edit = true;
|
||||
}
|
||||
}
|
||||
if ($range_edit) {
|
||||
// sort the range new, id it was edit.
|
||||
foreach($this->ranges AS $id=>$arr) {
|
||||
$this->attributes['dhcpRange'][$id] = $this->ranges[$id]['range_start']." ".$this->ranges[$id]['range_end'];
|
||||
}
|
||||
}
|
||||
}
|
||||
return $range_edit;
|
||||
}
|
||||
|
||||
/**
|
||||
* Processes user input of the primary module page.
|
||||
* It checks if all input values are correct and updates the associated LDAP attributes.
|
||||
*
|
||||
* @return array list of info/error messages
|
||||
*/
|
||||
public function process_attributes() {
|
||||
$errors = array();
|
||||
|
||||
$droped = false; // Was a Range droped???
|
||||
if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
|
||||
if ($_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0]!="") {
|
||||
$was_a_error = false;
|
||||
$this->reset_overlaped_range();
|
||||
|
||||
foreach($this->ranges AS $id=>$arr) {
|
||||
|
||||
// Check if range is to drop
|
||||
if (isset($_POST['drop_range_'.$id])) {
|
||||
// Drop Range:
|
||||
unset($this->ranges[$id]);
|
||||
unset($this->attributes['dhcpRange'][$id]);
|
||||
$droped = true;
|
||||
continue;
|
||||
}
|
||||
|
||||
// if the inputs are empty, then do nothing:
|
||||
if ($_POST['range_start_'.$id]=="" && $_POST['range_end_'.$id]=="") {
|
||||
unset($this->attributes['dhcpRange'][$id]);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Check range_start:
|
||||
$_POST['range_start_'.$id] = trim($_POST['range_start_'.$id]);
|
||||
if (!check_ip($_POST['range_start_'.$id])) {
|
||||
$this->ranges[$id]['range_start'] = $_POST['range_start_'.$id];
|
||||
$was_a_error = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->ranges[$id]['range_start'] = $_POST['range_start_'.$id];
|
||||
}
|
||||
|
||||
// Check end:
|
||||
$_POST['range_end_'.$id] = trim($_POST['range_end_'.$id]);
|
||||
if (!check_ip($_POST['range_end_'.$id])) {
|
||||
$this->ranges[$id]['range_end'] = $_POST['range_end_'.$id];
|
||||
$was_a_error = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->ranges[$id]['range_end'] = $_POST['range_end_'.$id];
|
||||
}
|
||||
|
||||
// Check if ip overlaped:
|
||||
if(!$this->overlaped_range($_POST['range_start_'.$id],$_POST['range_end_'.$id])) {
|
||||
$was_a_error = true;
|
||||
}
|
||||
|
||||
// Check if Subnet and range first are valid:
|
||||
if (!$this->check_subnet_range($_POST['range_start_'.$id],$_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
|
||||
$was_a_error = true;
|
||||
}
|
||||
|
||||
// Check if Subnet and range last are valid:
|
||||
if (!$this->check_subnet_range($_POST['range_last_'.$id],$_SESSION['account']->getAccountModule('dhcp_settings')->$this->attributes['cn'][0])) {
|
||||
$was_a_error = true;
|
||||
}
|
||||
|
||||
// Check if Range is valid
|
||||
if (!$this->check_range($_POST['range_start_'.$id],$_POST['range_end_'.$id])) {
|
||||
$was_a_error = true;
|
||||
}
|
||||
|
||||
// Check, if range_start and range_end are ok!
|
||||
if (!$was_a_error) {
|
||||
$this->attributes['dhcpRange'][$id] = $_POST['range_start_'.$id]." ".$_POST['range_end_'.$id];
|
||||
$this->ranges_ok = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
unset($this->attributes['dhcpRange'][$id]);
|
||||
$this->ranges_ok = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Check if there was a error:
|
||||
if ($was_a_error) {
|
||||
$errors[] = $this->messages['range_errors'][0];
|
||||
}
|
||||
|
||||
// Add new Range
|
||||
if(isset($_POST['add_range'])) {
|
||||
// Check, if there where no errors:
|
||||
if ($was_a_error) {
|
||||
$errors[] = $this->messages['add_range'][0];
|
||||
}
|
||||
else
|
||||
{
|
||||
// Add Range:
|
||||
$this->ranges[] = array('range_start'=>'','range_end'=>'');
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
$this->processed = true;
|
||||
}
|
||||
return $errors;
|
||||
}
|
||||
|
||||
/* This function will create the html-page
|
||||
* to show a page with all attributes.
|
||||
* It will output a complete html-table
|
||||
*/
|
||||
public function display_html_attributes() {
|
||||
// user name if no posixAccount
|
||||
$modules = $_SESSION['config']->get_AccountModules($this->get_scope());
|
||||
if ($_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0]=="") {
|
||||
echo "<b>" . _("Please fill the DHCP settings first.") . "</b>";
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
// If $ranges is not a array, then create an:
|
||||
if (!is_array($this->ranges)) {
|
||||
$this->ranges[] = array();
|
||||
}
|
||||
$this->reset_overlaped_range();
|
||||
foreach($this->ranges AS $id=>$arr) {
|
||||
|
||||
// Range start
|
||||
if ($this->processed && !check_ip($this->ranges[$id]['range_start'])) {
|
||||
$error = "«« " . _("The IP address is invalid.");
|
||||
} elseif($this->processed && !$this->check_range($this->ranges[$id]['range_start'],$this->ranges[$id]['range_end'])) {
|
||||
$error = "«« " . _("The range end needs to be greater than the range start.");
|
||||
} elseif ($this->processed && !$this->check_subnet_range($this->ranges[$id]['range_start'],$_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
|
||||
$error = "«« " . _("The IP does not match the subnet.");
|
||||
} elseif ($this->processed && !$this->overlaped_range($this->ranges[$id]['range_start'],$this->ranges[$id]['range_end']) ) {
|
||||
$error = "«« " . _("The range conflicts with another range.");
|
||||
} else {
|
||||
$error = "";
|
||||
}
|
||||
$return[] = array(0 => array('kind' => 'text', 'text' => _('Range from') . ":* "),
|
||||
1 => array('kind' => 'input', 'name' => 'range_start_'.$id.'', 'value' => $this->ranges[$id]['range_start']),
|
||||
2 => array('kind' => 'help', 'value' => 'range_from', 'scope' => 'user'),
|
||||
3 => array('kind' => 'text', 'text'=>$error));
|
||||
|
||||
// Range end
|
||||
if ($this->processed && !check_ip($this->ranges[$id]['range_end'])) {
|
||||
$error = "«« " . _("The IP address is invalid.");
|
||||
} elseif ($this->processed && !$this->check_subnet_range($this->ranges[$id]['range_end'],$_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
|
||||
$error = "«« " . _("The IP does not match the subnet.");
|
||||
} else {
|
||||
$error = "";
|
||||
}
|
||||
$return[] = array(0 => array('kind' => 'text', 'text' => _('Range to') . ":* "),
|
||||
1 => array('kind' => 'input', 'name' => 'range_end_'.$id.'', 'value' => $this->ranges[$id]['range_end']),
|
||||
2 => array('kind' => 'help', 'value' => 'range_to', 'scope' => 'user'),
|
||||
3 => array('kind' => 'text', 'text'=>$error));
|
||||
|
||||
// Drop range:
|
||||
$return[] = array(
|
||||
0 => array('kind' => 'text', 'text' => _('Delete Range') . ':'),
|
||||
1 => array('kind' => 'input', 'name' => 'drop_range_'.$id, 'type' => 'submit', 'value' => _('Delete range')),
|
||||
2 => array('kind' => 'help', 'value' => 'drop_range'));
|
||||
|
||||
// Space Line
|
||||
$return[] = array(0 => array('kind' => 'text', 'text' => '<br />'));
|
||||
}
|
||||
|
||||
// Range hinzufügen:
|
||||
$return[] = array(
|
||||
0 => array('kind' => 'text', 'text' => _('New range') . ':'),
|
||||
1 => array('kind' => 'input', 'name' => 'add_range', 'type' => 'submit', 'value' => _('New range')),
|
||||
2 => array('kind' => 'help', 'value' => 'add_range'));
|
||||
}
|
||||
|
||||
return $return;
|
||||
}
|
||||
|
||||
/* This function returns an array with 4 entries:
|
||||
* array( DN1 ('add' => array($attr), 'remove' => array($attr), 'modify' => array($attr), 'lamdaemon' => array(cmds)), DN2 .... )
|
||||
* DN is the DN to change. It may be possible to change several DNs,
|
||||
* e.g. create a new user and add him to some groups via attribute memberUid
|
||||
* add are attributes which have to be added to ldap entry
|
||||
* remove are attributes which have to be removed from ldap entry
|
||||
* lamdaemon are lamdaemon commands to modify homedir, quotas, ...
|
||||
*/
|
||||
public function save_attributes() {
|
||||
$return = array();
|
||||
// Get easy attributes
|
||||
if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
|
||||
$return = $this->getAccountContainer()->save_module_attributes($this->attributes, $this->orig);
|
||||
}
|
||||
// Return attributes
|
||||
return $return;
|
||||
}
|
||||
|
||||
}
|
||||
?>
|
||||
Loading…
Reference in New Issue